Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Removing flavor metadata from test heat template.

    Tests can break with this setting.

    Change-Id: Idab15bc5d83f8d88a08c46c71fb179c1e3d0282b
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index cdcf4e4..a8386de 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit cdcf4e4b977ad2a7ccbe18d99302f26367623ced
+Subproject commit a8386de2f63cba3adf0042c1a14f0342fe333551